<template>
	<view class="normal-login-container">
		<view class="logo-content align-center justify-center flex">
			<image style="width: 100rpx; height: 100rpx" :src="globalConfig.appInfo.logo" mode="widthFix"></image>
			<text class="title">若依移动端登录</text>
		</view>
		<view class="login-form-content">
			<view class="input-item flex align-center">
				<view class="iconfont icon-user icon"></view>
				<input v-model="loginForm.username" class="input" type="text" placeholder="请输入账号" maxlength="30" />
			</view>
			<view class="input-item flex align-center">
				<view class="iconfont icon-password icon"></view>
				<input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
			</view>
			<view class="input-item flex align-center" style="width: 60%; margin: 0px" v-if="captchaEnabled">
				<view class="iconfont icon-code icon"></view>
				<input v-model="loginForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
				<view class="login-code">
					<image :src="codeUrl" @click="getCode" class="login-code-img"></image>
				</view>
			</view>
			<view class="action-btn">
				<button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
			</view>
			<view class="reg text-center" v-if="register">
				<text class="text-grey1">没有账号？</text>
				<text @click="handleUserRegister" class="text-blue">立即注册</text>
			</view>
			<view class="xieyi text-center">
				<text class="text-grey1">登录即代表同意</text>
				<text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
				<text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
			</view>
		</view>
	</view>
</template>

<script setup>
import { ref, getCurrentInstance } from 'vue';
import { onLoad } from '@dcloudio/uni-app';
import { getToken } from '@/utils/auth';
import { getCodeImg } from '@/api/login';
import { useConfigStore, useUserStore } from '@/store';

const { proxy } = getCurrentInstance();
const globalConfig = useConfigStore().config;
const codeUrl = ref('');
// 验证码开关
const captchaEnabled = ref(true);
// 用户注册开关
const register = ref(false);
const loginForm = ref({
	username: 'admin',
	password: 'admin123',
	code: '',
	uuid: ''
});

// 用户注册
function handleUserRegister() {
	proxy.$tab.redirectTo(`/pages/register`);
}

// 隐私协议
function handlePrivacy() {
	let site = globalConfig.appInfo.agreements[0];
	proxy.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`);
}

// 用户协议
function handleUserAgrement() {
	let site = globalConfig.appInfo.agreements[1];
	proxy.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`);
}

// 获取图形验证码
function getCode() {
	getCodeImg().then((res) => {
		captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
		if (captchaEnabled.value) {
			codeUrl.value = 'data:image/gif;base64,' + res.img;
			loginForm.value.uuid = res.uuid;
		}
	});
}

// 登录方法
async function handleLogin() {
	if (loginForm.value.username === '') {
		proxy.$modal.msgError('请输入账号');
	} else if (loginForm.value.password === '') {
		proxy.$modal.msgError('请输入密码');
	} else if (loginForm.value.code === '' && captchaEnabled.value) {
		proxy.$modal.msgError('请输入验证码');
	} else {
		proxy.$modal.loading('登录中...');
		pwdLogin();
	}
}

// 密码登录
async function pwdLogin() {
	useUserStore()
		.login(loginForm.value)
		.then(() => {
			proxy.$modal.closeLoading();
			loginSuccess();
		})
		.catch(() => {
			if (captchaEnabled.value) {
				getCode();
			}
		});
}

// 登录成功后，处理函数
function loginSuccess(result) {
	// 设置用户信息
	useUserStore()
		.getInfo()
		.then((res) => {
			proxy.$tab.reLaunch('/pages/index');
		});
}

onLoad(() => {
	//#ifdef H5
	if (getToken()) {
		proxy.$tab.reLaunch('/pages/index');
	}
	//#endif
});

getCode();
</script>

<style lang="scss" scoped>
page {
	background-color: #ffffff;
}

.normal-login-container {
	width: 100%;

	.logo-content {
		width: 100%;
		font-size: 21px;
		text-align: center;
		padding-top: 15%;

		image {
			border-radius: 4px;
		}

		.title {
			margin-left: 10px;
		}
	}

	.login-form-content {
		text-align: center;
		margin: 20px auto;
		margin-top: 15%;
		width: 80%;

		.input-item {
			margin: 20px auto;
			background-color: #f5f6f7;
			height: 45px;
			border-radius: 20px;

			.icon {
				font-size: 38rpx;
				margin-left: 10px;
				color: #999;
			}

			.input {
				width: 100%;
				font-size: 14px;
				line-height: 20px;
				text-align: left;
				padding-left: 15px;
			}
		}

		.login-btn {
			margin-top: 40px;
			height: 45px;
		}

		.reg {
			margin-top: 15px;
		}

		.xieyi {
			color: #333;
			margin-top: 20px;
		}

		.login-code {
			height: 38px;
			float: right;

			.login-code-img {
				height: 38px;
				position: absolute;
				margin-left: 10px;
				width: 200rpx;
			}
		}
	}
}
</style>
